﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Reflection;

namespace V5_EaspLibs.Data {
    /// <summary>
    /// 
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class ModelConvertHelper<T> where T : new() {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static IList<T> ConvertToModel(DataTable dt) {
            // 定义集合
            IList<T> ts = new List<T>();
            // 获得此模型的类型
            Type type = typeof(T);
            string tempName = "";
            foreach (DataRow dr in dt.Rows) {
                T t = new T();
                // 获得此模型的公共属性
                PropertyInfo[] propertys = t.GetType().GetProperties();

                foreach (PropertyInfo pi in propertys) {
                    tempName = pi.Name;

                    // 检查DataTable是否包含此列
                    if (dt.Columns.Contains(tempName)) {
                        // 判断此属性是否有Setter
                        if (!pi.CanWrite) continue;

                        object value = dr[tempName];
                        if (value != DBNull.Value)
                            pi.SetValue(t, value, null);
                    }
                }

                ts.Add(t);
            }
            return ts;
        }
    }
}
